| article html file updated | 31 August 2025 08:43 CEST | Update | https://www.mdpi.com/1422-0067/21/2/452 |
| article html file updated | 20 July 2022 17:14 CEST | Update | - |
| article html file updated | 15 February 2020 01:55 CET | Update | - |
| article html file updated | 5 February 2020 18:18 CET | Update | - |
| article html file updated | 14 January 2020 02:26 CET | Original file | - |
| article pdf uploaded. | 14 January 2020 02:24 CET | Updated version of record | https://www.mdpi.com/1422-0067/21/2/452/pdf |
| article xml uploaded. | 14 January 2020 02:24 CET | Update | https://www.mdpi.com/1422-0067/21/2/452/xml |
| article xml file uploaded | 14 January 2020 02:24 CET | Update | - |
| article pdf uploaded. | 10 January 2020 15:20 CET | Version of Record | https://www.mdpi.com/1422-0067/21/2/452/pdf-vor |
| article xml file uploaded | 10 January 2020 15:20 CET | Original file | - |
